CBSE Class-8 Science: Questions 428 - 433 of 469

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 469 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 428

» Light » Laws of Reflection » Incident Ray, Reflected Ray

MCQ▾

Question

A reflected ray is:

Choices

Choice (4) Response

a.

Ray strikes the reflecting surface

b.

A light ray which bounces back into same medium after reflection from reflected surface.

c.

Perpendicular line

d.

All of the above

Question number: 429

» Light » Human Eye » Functioning of Human Eye

MCQ▾

Question

Accommodation is the ability of the eye

Choices

Choice (4) Response

a.

To change focal length of the eye lens so as to always obtain the image at the retina

b.

To see distant objects and cannot see near objects

c.

Can see near objects and cannot see distant objects

d.

All of the above

Question number: 430

» Light » Reflections » Reflected Light Can Be Reflected Again

MCQ▾

Question

Periscope is defined as:

Choices

Choice (4) Response

a.

An instrument used to see above obstacles

b.

An arrangement in which beautiful patterns are formed

c.

Right-left reversal of image by a plane mirror

d.

All of the above

Question number: 431

» Light » Laws of Reflection » Angle of Incidence and Angle of Reflection

MCQ▾

Question

The angle between the normal and incident ray is called as:

Choices

Choice (4) Response

a.

Angle of incidence

b.

Angle of reflection

c.

Perpendicular

d.

All of the above

Question number: 432

» Light » Concept of Light » Reflection

MCQ▾

Question

The bouncing back of the light after striking a polished surface is called as.

Choices

Choice (4) Response

a.

Incident ray

b.

Reflected ray

c.

Reflection of light

d.

Question does not provide sufficient data or is vague

Question number: 433

» Light » Reflections » Kaleidoscope

MCQ▾

Question

Phenomenon of multiple images is used for the formation of:

Choices

Choice (4) Response

a.

Periscope

b.

Multiple images

c.

Kaleidoscope

d.

None of the above

f Page
Sign In